The HP 45 Black Ink Cartridge 51645A is a genuine sealed product manufactured by HP in Ireland. It is compatible with HP printers and boasts a 1-year manufacturer warranty. With a sleek black color and inkjet/laserjet print technology, this single unit cartridge is designed to provide high-quality prints. Perfect for those needing to replenish their printer ink, this product offers fast shipping and reliability for your printing needs.